EP1693097B1 - Système de filtration - Google Patents

Système de filtration Download PDF

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Publication number
EP1693097B1
EP1693097B1 EP06100712A EP06100712A EP1693097B1 EP 1693097 B1 EP1693097 B1 EP 1693097B1 EP 06100712 A EP06100712 A EP 06100712A EP 06100712 A EP06100712 A EP 06100712A EP 1693097 B1 EP1693097 B1 EP 1693097B1
Authority
EP
European Patent Office
Prior art keywords
filter element
shaped housing
connection
housing
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06100712A
Other languages
German (de)
English (en)
Other versions
EP1693097A1 (fr
Inventor
Ralf Bauder
Klemens Dworatzek
Karlheinz MÜNKEL
Duc Cuong Nguyen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Publication of EP1693097A1 publication Critical patent/EP1693097A1/fr
Application granted granted Critical
Publication of EP1693097B1 publication Critical patent/EP1693097B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4015—Bayonet connecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/40—Special measures for connecting different parts of the filter
    • B01D2201/4046—Means for avoiding false mounting of different parts

Definitions

  • the invention relates to a filter system according to the preamble of patent claim 1.
  • Such a liquid filter is for example from DE 196 44 647 A known.
  • This filter has a connection head, the installation opening for the filter cartridge facing down and into which, after installation of the filter element, a cup-shaped housing can be screwed.
  • Inlet and outlet for the filter or the filter system are located in the connection head, that is in the upper part of the filter system.
  • connection head and cup-shaped housing can be interconnected without a filter element is used, or if a wrong not provided for this system filter element is used.
  • the filter elements in the prior art are designed so differently in the form that a confusion is to be excluded as possible.
  • a lack of the filter element is still not noticed.
  • the filter elements differ only in details, such as different filter media, with the dimensions and geometries remaining largely identical.
  • the object of the invention is now to provide a filter system for a fluid which excludes forgetting or inserting a wrong filter element, and which is simple and inexpensive to manufacture.
  • the filter system according to the invention for a fluid has a cup-shaped housing, a filter element arranged detachably therein, and a receiving head.
  • the filter system is designed for filtering liquids, but it can also be a filtration of gaseous fluids imagine, but preferably the filtration of oil, fuel or coolant of an internal combustion engine is provided.
  • the recording head may be a separate part, which is flanged, for example, to the engine block of an internal combustion engine, but it is also possible to form the recording head directly, for example, from the engine block.
  • the filter element is releasably disposed in the cup-shaped housing, wherein the cup-shaped housing is connected by a means for releasable connection with the receiving head.
  • the means for releasable connection has at least two active partners, wherein the one active partner is arranged in the receiving head and the other active partner is formed by a combination of a part of the filter element integral with the cup-shaped housing.
  • the connection of the housing with the receiving head is possible only by the combination of cup-shaped housing with the matching filter element.
  • the filter element becomes an indispensable part of the closure.
  • the cup-shaped housing can be designed as a plastic or as a metal part, and the filter element is preferably a hollow cylindrical filter element with a zigzag-shaped folded filter bellows arranged therein.
  • the means for releasable connection is a bayonet connection.
  • a part of the latching connections is formed in the connection head and the further part of the latching connection is represented by the combination of filter element and cup-shaped housing.
  • the filter element is for this purpose in the cup-shaped housing is used and both are connected by means of the bayonet principle with the connection head. If the filter element is missing or incorrect, the bayonet connection can not be closed.
  • the cup-shaped housing forms part of a latching plane with a recess disposed therein and a part of the filter element engages in this recess and thus completes the latching plane, which is necessary for the production of the bayonet connection with the receiving head.
  • the latching planes are preferably distributed over the outer periphery at the front-side open end of the cup-shaped housing, whereby the active contours of the filter element, which engage in the recess of the latching planes, are also distributed at the same distance on the circumference. This can be achieved in a simple manner that only the intended purpose for this application filter element is inserted into the filter system.
  • a part of the cup-shaped housing and a part of the filter element at least partially engage with each other to form a continuous latch nose contour.
  • at least two axially extending away from the housing latching lugs are arranged at the axially open front end of the cup-shaped housing, which in turn have recesses which are arranged on the edge or on the interior of the Rastnasenkontur, in which then engages a part of the matching filter element.
  • This part of the corresponding filter element in turn completes the complete latch nose contour, so that when inserted proper filter element a detachable connection via locking with the recording head is possible.
  • the prevention of the connection between the cup-shaped housing and the connection head is achieved according to the invention by a means for blocking the connection which is arranged in the connection head.
  • This blocking means may for example be a spring-loaded pin or, for example, a movable nose, it should in any case be a contour which positively impedes the joining of the parts to one another that the filter element is missing or not suitable for the filter system.
  • This blocking means is then locked, for example, by spring force when closing the connection and in the absence of the filter element or a wrong filter element in the then non-closed recess in the connecting means of the cup-shaped housing part and thus prevents further rotation or further axial insertion of the cup-shaped housing part in the connection head.
  • connection head for an above-mentioned filter system has contours for forming the second part of the means for releasably connecting between cup-shaped housing in connection with the filter element and connection head. Furthermore, the fluid inlet and outlet lines are integrated in the connection head.
  • the connection head preferably has a cup-shaped recess, wherein the contours are distributed over the circumference of the axial wall of the recess to form the second part of the means for releasable connection.
  • the concentric in the center of the cup-shaped recess of the connection head of the fluid drain is arranged and concentrically around the copessigkeltsablauf around still within the cup-shaped recess of the fluid inlet.
  • connection head this has the above-described means for blocking the connection with the cup-shaped housing.
  • the means as already said may be a movable pin or a movable nose which is movably mounted in the connection head.
  • the housing according to the invention for an above-mentioned filter system is designed substantially cylindrical, with one end closed and one end open is executed, similar to a handleless cup.
  • parts of a means for detachable connection with a receiving head are arranged, wherein the parts of the releasable connection comprise recesses, such that the means for releasable connection can be completed by means of an inserted filter element.
  • the means for releasable connection are distributed over the outer circumference, arranged at the front-side open end of the cup-shaped housing.
  • further recesses in the housing are present, which extend from the front-side open edge to at least the means for releasable connection.
  • the filter element can be used by means of the present on a part of the filter element parts of the releasable connection means, and which a part of the lateral surface and a part of the means for releasably connecting the cup-shaped housing completed.
  • the filter element according to the invention for an above-mentioned filter system is constructed as a hollow cylinder and, in the region of one of the end faces, has at least one active contour which extends radially outward beyond the circumferential diameter. This active contour cooperates with the recesses in the cup-shaped housing, so that the active contour of the filter element can be inserted into the recesses of the cup-shaped housing and further completes the means for releasably connecting the cup-shaped housing.
  • the filter element in this case has a filter medium, which is flowed through radially or axially and folded in a zig-zag, is wound or has mutually closed channels.
  • the medium may be a synthetic filter medium or a filter paper and one or more filter bellows may be arranged in the filter element.
  • the filter element may be a closed fluid-tight casing or open.
  • the side of the filter element opposite the connection head has a closed end disk and the end face assigned to the connection head preferably has an annular open end disk.
  • the end plates can be made of plastic or for example of a nitrile rubber. Furthermore, it is possible to protect the filter medium by means of a support tube which is arranged in the interior of the hollow cylindrical filter medium or the outside around the hollow cylindrical filter medium against collapse by pulsation.
  • a backstop in the form of, for example, a membrane and / or to arrange a valve to protect against idling when the engine is stationary.
  • the active contour of the filter element which corresponds to the cup-shaped housing is preferably arranged on the connection-side end face of the filter element and can be formed out of a support tube, for example, be formed out of the end plate, or even be formed out of the possibly existing shell out.
  • the active contour is designed directly corresponding to a recess of the cup-shaped housing, wherein the active contour further complements a part of a means for releasably connecting the cup-shaped housing. This ensures that only a special filter element provided for this purpose can be inserted into the cup-shaped housing, and furthermore that the cup-shaped housing can also be connected to the connection head only with the filter element provided for this purpose.
  • the active contour fills a recess within the connecting means of the cup-shaped housing and completes this to a complete connection means.
  • the filter element is used with its outer active contours in corresponding recesses of the cup-shaped housing, whereby the active contours of the filter element unite with corresponding active contours of the cup-shaped housing to a part of the means for releasable connection between receiving head, cup-shaped housing and filter element.
  • the combination of cup-shaped housing and filter element can then be inserted into the receiving head and be detachably connected thereto. Only by the correct connection of filter element and cup-shaped housing, it is possible to close the connection.
  • FIG. 1 shows the sectional view of a liquid filter system 10, wherein a cup-shaped housing 11 is connected by means of a bayonet connection with a connection head 12.
  • the connection head may in this case be a separate connection flange, or else be formed directly from a component of an internal combustion engine.
  • the filter system can be used for liquids of any type of internal combustion engine, such as oils, fuels, hydraulic fluids or even coolant.
  • an inlet 13 and an outlet 14 are arranged in the connection head 12 of the filter system 10.
  • the outlet 14 is arranged concentrically in the center of the connection between the cup-shaped housing 11 and the connection head 12 and the inlet 13 is concentrically distributed around the Aulass 14, also in the interior of the connection between the cup-shaped housing 11 and the connection head 12.
  • a filter element 15 is arranged in the cup-shaped housing 11.
  • the filter element 15 in this case has a canister 16, which receives the filter media or the.
  • the canister 16 is supported on the circumference radially outward on an inner wall 17 of the cup-shaped housing 11, and at the same time supported by arranged in the canister 16 grooves an outer wall 18 of a first filter bladder 19 from.
  • the canister 16 is designed liquid-tight, and also houses the function of an outer support tube for a first filter bellows and a support against pressure pulsations on the cup-shaped housing 11. This allows the canister 16 are designed relatively low in its material thickness, since the actual support per pressure pulsation on the cup-shaped Housing 11 takes place.
  • a support tube 20 is concentrically arranged, around which a second filter bellows 21 extends around.
  • the first and the second filter bellows can be formed by a filter medium which is folded in a zigzag-shaped manner, by a wound filter medium, a combination thereof, or other filter bladders known from the prior art.
  • the two filter bellows are held by an end plate 23, which is designed annularly with a concentrically arranged opening 24. Integrally formed from the end plate 23 out is a spring element 25, which supports the filter bellows on the housing bottom 22 and axially fixed and fixed by applying an axially upward spring force acting. The radial fixing and fixing takes place through the inner contour of the canister 16.
  • the first filter bellows 19 has an end disk termination 26.
  • the end plate 27 has a Einknüpfkontur 28 for a return flow diaphragm 29.
  • the Einknüpfkontur 28 is distributed over the end plate 27 and has a plurality of axially projecting in the direction of the connection head 12 pins or mushroom-shaped contours.
  • the non-return membrane 29 is thereby hitched tightly to the end plate 27 by means of the Einknüpfkontur 28 and sealed at a standstill internal combustion engine on the one hand from the liquid inlet 13 and in case of maintenance, the liquid outlet 14.
  • the non-return membrane 29 is made of a soft thermoplastic Plastic constructed such as a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • the end plate 26 concentrically has an axially protruding annular collar 30, wherein a groove for receiving a sealing ring 31 is arranged in the outer periphery.
  • the annular collar 30 is introduced when connecting the cup-shaped housing 11 and connection head 12 in a collar receptacle 32 of the connection head, wherein the sealing ring 31 is used there for a seal between the annular collar 30 and collar receptacle 32.
  • an outlet tube 33 Concentrically in the interior of the collar receptacle 32, an outlet tube 33 is arranged, which dips into the opening of the end plate 27 and thereby opens the outlet-side backstop of the nonreturn membrane 29.
  • the seal is in this case radially between return flow diaphragm 29 and outlet pipe 33, which is arranged in the connection head 12.
  • a connecting contour 34 for example, by a welding or bonding process inextricably sealed together.
  • the cup-shaped housing 11 has to release in case of maintenance and for connecting a tool holder 35, which may have, for example, an internal or external hexagon. There, a tool is used in the maintenance case to separate the cup-shaped housing 11 from the connection head 12 or to connect both parts in turn.
  • a plurality of parts 36 formed by locking elements in the form of a radially outwardly projecting nose.
  • connection head 12 has guides 37, in which latching contours formed from the part 36 of the latching elements of the canister 16 and can be inserted and guided from the cup-shaped housing 11 ,
  • at least one blocking means 38 is arranged which prevents a connection between the cup-shaped housing and the connection head 12 when no filter element 15 or a wrong filter element is inserted.
  • the blocking means 38 engages in a recess 44 of the cup-shaped housing 11, thus preventing a closing of the bayonet closure.
  • the function of the blocking means 38 is in the FIG. 7 shown.
  • the liquid to be purified flows through the inlet 13 of the connection head 12 into an intermediate space 39 between the two filter bellows 19, 21, flows through the inner second filter bellows 21 in a clean-side outflow space 40 within the support tube 20 and then through the backflow barrier membrane 29 opened by the outlet tube 33 by to flow the clean side outlet 14 back into the system.
  • Another part of the not yet cleaned liquid flows from the intermediate space 39, the outer first filter bellows 19 radially outward into a canister workedes volume in which it flows down to the housing bottom 22 and from there also returned through the clean-side outlet 14 into the system can be.
  • FIG. 2 the combination of filter element 15 and cup-shaped housing 11 is shown in section.
  • the previous figure corresponding components are provided with the same reference numerals.
  • the return diaphragm 29 has returned in the region of the clean side outlet 14 through the no longer existing outlet pipe 33 in the original form and prevents leakage of the liquid stored in the filter element 15.
  • the non-return membrane 29 as a thermoplastic elastomer can be caused by the contour of a restoring force within the barrier membrane, which manifests itself in an outlet-side seal, which is tightly closed solely by the restoring force.
  • FIG. 3 shows an isometric view of cup-shaped housing 11 and disposed therein filter element 15.
  • the components corresponding to the previous figures are provided with the same reference numerals.
  • Furthermore, at the open axial end of the cup-shaped housing 11 circumferentially several locking contours 42 for the production of the bayonet closure within the filter system 10 evenly distributed. In a recess 43 of the locking contour 42 of the filter element-side part 36 of the locking element is arranged with correctly installed filter element 15, resulting in a completion of the locking contour 42 results.
  • the recess 43 When not inserted filter element 15 or a filter element not suitable for this purpose, the recess 43 remains free within the latching contour 42, whereby a bayonet-shaped connection between cup-shaped housing 11 and connection head 12 is prevented by the blocking means 38.
  • the blocking means 38 then engages in the recess 43 and prevents rotation of the cup-shaped housing 11 relative to the connection head 12.
  • FIG. 4 shows the cup-shaped housing 11 in isometric view.
  • the cup-shaped housing 11 has for the insertion of the filter element 15 circumferentially distributed axially from the open end of the cup-shaped housing 11 outgoing recesses 44, which terminate in the recesses 43 for the locking contour.
  • the filter element 15 is inserted with the parts 36 of the locking elements in the recess 44 and to the Completion of the locking contour 42 used to the end of the recess 43 of the locking contour. Only then results in a completion of the locking contours 42 for connection to the connection head 12th
  • FIG. 5 shows a section through the canister 16 which represents the outer shell of the filter element 15.
  • a plurality of grooves 45 which constitute a contact surface 46 for the first filter bellows 19 in the interior of the canister 16. Since the grooves 45 are not arranged continuously in the inner circumference of the canister 16, this results in a simple way to supply the liquid, which flows through the first filter bellows 19 cleanly, to the clean-side outflow space 40 via the housing or canister bottom 22.
  • the rest of the filter element described above is then introduced and connected to the connection contour 34 with the canister 16.
  • the axial termination of the canister 16 in the region of the open end is again formed by the part 36 of the latching elements, which engages in the recess 43 of the latching contour 42 of the cup-shaped housing 11.
  • the FIG. 6 shows the return-lock diaphragm of an isometric view.
  • the previous figures corresponding components are provided with the same reference numerals.
  • the non-return membrane is constructed substantially plate-shaped, preferably made of a thermoplastic elastomer and has in the plate-shaped part a plurality of openings 47 for producing the knotting connection with the end plate 27 via the Anknüpfkontur 28.
  • the non-return membrane 29 has an angled to the plate-shaped area sealing surface 48 for the inlet portion of the filter system 10, which stands out due to the flexibility of the material at inflow of liquid to be cleaned from a sealing surface in the end cap 26 and thereby ensures an influx of liquid ,
  • the sealing surface 48 seals the inlet 13 by its elasticity.
  • a type of sealing valve 49 is arranged for sealing the outlet when removing the filter element from the fluid circuit.
  • the outlet seal 49 has a kind of duckbill, which is opened in the inserted state by the outlet pipe 33 out of the connection head 12, which continues when removing the outlet tube 33 by its own elasticity again closes. So here return flow diaphragm and return valve are realized in one piece in one piece.
  • FIG. 7 shows a possibility of using the blocking means 38.
  • Components corresponding to the previous figures are provided with the same reference numerals.
  • FIG. 7 is a plan view of a section in the region of the blocking means 38 is shown.
  • the blocking means 38 is arranged in the connection head 12, wherein in the connection head 12, a locking pin 50 and a spring means 51 is arranged such that the locking pin 50 is movable axially against the force of the spring means 51, and at a merging cup-shaped housing 11 and connection head 12 at nonexistent or provided filter element 15 engages by the force of the spring means 51 in the recess of the locking contour 43 and thus prevents twisting for the production of the bayonet connection.
  • FIG. 8 shows a section through an alternative non-return diaphragm 29.
  • the attachment with the filter element is realized in an alternative manner via a circumferential, concentric with the inlet sealing surface 48 arranged annular groove 52. This then serves to receive an end plate, not shown here, said connection being explained in the following figure.
  • FIG. 9 shows a section through a portion of an alternative filter element using the non-return membrane 29.
  • the previous figures corresponding components are provided with the same reference numerals.
  • the inner filter bellows 21 is sealingly connected via a mirror welding process with the lower end plate 23 and the upper end plate 27.
  • the Endusionnab gleich 26 concentrically has a mounting ring 53, via which the return flow diaphragm 29 is held by means of the fastening ring 53.
  • the fastening ring 53 is preferably integrally connected to the end plate end 26 via connecting webs 55, wherein the connecting webs 55 are arranged circumferentially around the outlet 14.
  • End disk end 26 and end disk 23 each have sealing seats 54 for the outer filter bellows 19 and fix this additional.
  • the canister 16, not shown here, can be designed analogously to the previous embodiments and thus connects the two end disks 23 and 26.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (3)

  1. Système de filtre pour un fluide comportant un boîtier en forme de pot, recevant de manière amovible un élément de filtre ainsi qu'une tête de réception, dans lequel
    le boîtier en forme de pot est relié à la tête de réception par une liaison amovible (36),
    une partie de l'élément de filtre (15) forme avec le boîtier en forme de pot (11) une première partie du moyen de liaison amovible (42) et la tête de réception (12) forme une seconde partie du moyen de liaison amovible de façon que la liaison avec la tête de réception (12) ne soit possible que par la combinaison du boîtier (11) en forme de pot et de l'élément de filtre (15),
    le moyen de liaison amovible est une liaison de type baïonnette et un premier moyen d'enclipsage est réalisé par une liaison correspondante du boîtier en forme de pot et de l'élément de filtre, de façon qu'une partie du boîtier (11) et une partie de l'élément de filtre s'interpénètrent au moins partiellement pour constituer un contour d'enclipsage (42), continu, et
    il est prévu un moyen de blocage de la liaison dans la tête de raccordement de manière interdit la liaison des parties en cas de mauvais élément de filtre ou en l'absence de celui-ci,
    en cas d'absence d'élément de filtre et ainsi de contour d'enclipsage non continu le moyen de blocage (38), pénétrant dans une découpe (44) du boîtier en forme de pot (11), interdit la fermeture de la liaison de type baïonnette.
  2. Boîtier pour un système de filtre selon la revendication 1,
    caractérisé en ce que
    celui-ci est de forme pratiquement cylindrique, une face frontale étant fermée, une face frontale étant ouverte,
    et dans la région de la face ouverte, se trouvent des parties d'un moyen de liaison amovible avec la tête de réception (12),
    les parties des moyens de liaison amovible formant des découpes (43) de façon que les moyens de liaison amovible puissent être complétés par l'élément de filtre (15) mis en place.
  3. Boîtier selon la revendication 2,
    caractérisé en ce que
    les moyens de liaison amovible sont répartis à la périphérie extérieure à l'extrémité frontale ouverte du boîtier (11), et
    dans la région des découpes (43) des moyens de liaison amovible, il y a en outre des découpes dans le boîtier qui s'étendent du bord, côté frontal, au moins jusqu'aux moyens de liaison amovible.
EP06100712A 2005-02-15 2006-01-23 Système de filtration Not-in-force EP1693097B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005007021A DE102005007021A1 (de) 2005-02-15 2005-02-15 Filtersystem

Publications (2)

Publication Number Publication Date
EP1693097A1 EP1693097A1 (fr) 2006-08-23
EP1693097B1 true EP1693097B1 (fr) 2008-11-12

Family

ID=36088361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06100712A Not-in-force EP1693097B1 (fr) 2005-02-15 2006-01-23 Système de filtration

Country Status (3)

Country Link
EP (1) EP1693097B1 (fr)
AT (1) ATE413908T1 (fr)
DE (2) DE102005007021A1 (fr)

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DE102023102883A1 (de) 2023-02-07 2024-08-08 Mann+Hummel Gmbh Filterelement mit wenigstens zwei Filtermediumkörpern

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016009488A1 (de) 2015-08-06 2017-02-09 Mann + Hummel Gmbh Spin-On-Filter und Filterkopf für eine Filtervorrichtung, sowie Filtervorrichtung zum Filtern eines Fluids

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DE102005007021A1 (de) 2006-08-24
DE502006002038D1 (de) 2008-12-24
ATE413908T1 (de) 2008-11-15
EP1693097A1 (fr) 2006-08-23

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